Open Middle: Ambiguous Case Setups

Using digits 0-9 no more than ONE TIME EACH, fill in the empty boxes to create SSA setups to cause 2 POSSIBLE △'s to exist for each setup.
Using digits 0-9 no more than ONE TIME EACH, fill in the empty boxes to create SSA setups to cause only 1 POSSIBLE △ to exist for each setup.
Using digits 0-9 no more than ONE TIME EACH, fill in the empty boxes to create SSA setups to cause NO △ TO POSSIBLY EXIST for each setup.
Using digits 0-9 no more than ONE TIME EACH, fill in the empty boxes to create SSA setups to cause 2 △'s to exist for the setup on the left and NO △ to exist for the setup on the right.
Using digits 0-9 no more than ONE TIME EACH, fill in the empty boxes to create SSA setups to cause 2 △'s to exist for the △ on the left and only 1 △ to exist for the setup on the right.
Using digits 0-9 no more than ONE TIME EACH, fill in the empty boxes to create SSA setups to cause only 1 △ to exist for the △ on the left and and NO △ to exist for the setup on the right.

Information: Open Middle: Ambiguous Case Setups